In female dogs, infertility means the dog can not produce live offspring. (pettao.com)
The next step will be transferring these embryos into female monkeys to generate live offspring that can be used for later studies. (frontlinegenomics.com)
The 13 sheep in the new study were created from 2005 to 2007, when biologist Keith Campbell, a key member of the Dolly team, was trying to improve cloning — creating more viable embryos to implant in the wombs of surrogate mothers, more pregnancies, and more live offspring. (statnews.com)